diff --git a/src/main/java/redis/clients/jedis/BinaryClient.java b/src/main/java/redis/clients/jedis/BinaryClient.java
index 34fe202..032a2c1 100644
--- a/src/main/java/redis/clients/jedis/BinaryClient.java
+++ b/src/main/java/redis/clients/jedis/BinaryClient.java
@@ -677,16 +677,16 @@ public class BinaryClient extends Connection {
 	sendCommand(SYNC);
     }
 
-    public void lpushx(final byte[] key, final byte[] string) {
-	sendCommand(LPUSHX, key, string);
+    public void lpushx(final byte[] key, final byte[]... string) {
+	sendCommand(LPUSHX, joinParameters(key, string));
     }
 
     public void persist(final byte[] key) {
 	sendCommand(PERSIST, key);
     }
 
-    public void rpushx(final byte[] key, final byte[] string) {
-	sendCommand(RPUSHX, key, string);
+    public void rpushx(final byte[] key, final byte[]... string) {
+	sendCommand(RPUSHX, joinParameters(key, string));
     }
 
     public void echo(final byte[] string) {
diff --git a/src/main/java/redis/clients/jedis/BinaryJedis.java b/src/main/java/redis/clients/jedis/BinaryJedis.java
index 06a83de..d4d0a08 100644
--- a/src/main/java/redis/clients/jedis/BinaryJedis.java
+++ b/src/main/java/redis/clients/jedis/BinaryJedis.java
@@ -2979,7 +2979,7 @@ public class BinaryJedis implements BasicCommands, BinaryJedisCommands, MultiKey
 	client.sync();
     }
 
-    public Long lpushx(final byte[] key, final byte[] string) {
+    public Long lpushx(final byte[] key, final byte[]... string) {
 	client.lpushx(key, string);
 	return client.getIntegerReply();
     }
@@ -2999,7 +2999,7 @@ public class BinaryJedis implements BasicCommands, BinaryJedisCommands, MultiKey
 	return client.getIntegerReply();
     }
 
-    public Long rpushx(final byte[] key, final byte[] string) {
+    public Long rpushx(final byte[] key, final byte[]... string) {
 	client.rpushx(key, string);
 	return client.getIntegerReply();
     }
diff --git a/src/main/java/redis/clients/jedis/BinaryJedisCommands.java b/src/main/java/redis/clients/jedis/BinaryJedisCommands.java
index a6da912..35e1879 100644
--- a/src/main/java/redis/clients/jedis/BinaryJedisCommands.java
+++ b/src/main/java/redis/clients/jedis/BinaryJedisCommands.java
@@ -196,9 +196,9 @@ public interface BinaryJedisCommands {
     Long linsert(byte[] key, Client.LIST_POSITION where, byte[] pivot,
             byte[] value);
     
-    Long lpushx(byte[] key, byte[] arg);
+    Long lpushx(byte[] key, byte[]... arg);
     
-    Long rpushx(byte[] key, byte[] arg);
+    Long rpushx(byte[] key, byte[]... arg);
 
     List<byte[]> blpop(byte[] arg);
 
diff --git a/src/main/java/redis/clients/jedis/BinaryRedisPipeline.java b/src/main/java/redis/clients/jedis/BinaryRedisPipeline.java
index 5c04491..6f4fd90 100644
--- a/src/main/java/redis/clients/jedis/BinaryRedisPipeline.java
+++ b/src/main/java/redis/clients/jedis/BinaryRedisPipeline.java
@@ -73,9 +73,9 @@ public interface BinaryRedisPipeline {
 
     Response<byte[]> lpop(byte[] key);
 
-    Response<Long> lpush(byte[] key, byte[] string);
+    Response<Long> lpush(byte[] key, byte[]... string);
 
-    Response<Long> lpushx(byte[] key, byte[] bytes);
+    Response<Long> lpushx(byte[] key, byte[]... bytes);
 
     Response<List<byte[]>> lrange(byte[] key, long start, long end);
 
@@ -91,11 +91,11 @@ public interface BinaryRedisPipeline {
 
     Response<byte[]> rpop(byte[] key);
 
-    Response<Long> rpush(byte[] key, byte[] string);
+    Response<Long> rpush(byte[] key, byte[]... string);
 
-    Response<Long> rpushx(byte[] key, byte[] string);
+    Response<Long> rpushx(byte[] key, byte[]... string);
 
-    Response<Long> sadd(byte[] key, byte[] member);
+    Response<Long> sadd(byte[] key, byte[]... member);
 
     Response<Long> scard(byte[] key);
 
diff --git a/src/main/java/redis/clients/jedis/BinaryShardedJedis.java b/src/main/java/redis/clients/jedis/BinaryShardedJedis.java
index 20065d7..2723aa1 100644
--- a/src/main/java/redis/clients/jedis/BinaryShardedJedis.java
+++ b/src/main/java/redis/clients/jedis/BinaryShardedJedis.java
@@ -201,7 +201,7 @@ public class BinaryShardedJedis extends Sharded<Jedis, JedisShardInfo>
     return j.strlen(key);
     }
 
-    public Long lpushx(byte[] key, byte[] string) {
+    public Long lpushx(byte[] key, byte[]... string) {
         Jedis j = getShard(key);
         return j.lpushx(key, string);
     }
@@ -211,7 +211,7 @@ public class BinaryShardedJedis extends Sharded<Jedis, JedisShardInfo>
     	return j.persist(key);
     }
 
-    public Long rpushx(byte[] key, byte[] string) {
+    public Long rpushx(byte[] key, byte[]... string) {
         Jedis j = getShard(key);
         return j.rpushx(key, string);
     }
diff --git a/src/main/java/redis/clients/jedis/Client.java b/src/main/java/redis/clients/jedis/Client.java
index 9e17202..f331f5e 100644
--- a/src/main/java/redis/clients/jedis/Client.java
+++ b/src/main/java/redis/clients/jedis/Client.java
@@ -564,16 +564,16 @@ public class Client extends BinaryClient implements Commands {
 	strlen(SafeEncoder.encode(key));
     }
 
-    public void lpushx(final String key, final String string) {
-	lpushx(SafeEncoder.encode(key), SafeEncoder.encode(string));
+    public void lpushx(final String key, final String... string) {
+	lpushx(SafeEncoder.encode(key), getByteParams(string));
     }
 
     public void persist(final String key) {
 	persist(SafeEncoder.encode(key));
     }
 
-    public void rpushx(final String key, final String string) {
-	rpushx(SafeEncoder.encode(key), SafeEncoder.encode(string));
+    public void rpushx(final String key, final String... string) {
+	rpushx(SafeEncoder.encode(key), getByteParams(string));
     }
 
     public void echo(final String string) {
diff --git a/src/main/java/redis/clients/jedis/Commands.java b/src/main/java/redis/clients/jedis/Commands.java
index a5df878..7d0e60d 100644
--- a/src/main/java/redis/clients/jedis/Commands.java
+++ b/src/main/java/redis/clients/jedis/Commands.java
@@ -251,11 +251,11 @@ public interface Commands {
 
     public void strlen(final String key);
 
-    public void lpushx(final String key, final String string);
+    public void lpushx(final String key, final String... string);
 
     public void persist(final String key);
 
-    public void rpushx(final String key, final String string);
+    public void rpushx(final String key, final String... string);
 
     public void echo(final String string);
 
diff --git a/src/main/java/redis/clients/jedis/Jedis.java b/src/main/java/redis/clients/jedis/Jedis.java
index d8dbb56..39f26d2 100644
--- a/src/main/java/redis/clients/jedis/Jedis.java
+++ b/src/main/java/redis/clients/jedis/Jedis.java
@@ -2535,7 +2535,7 @@ public class Jedis extends BinaryJedis implements JedisCommands, MultiKeyCommand
 	return client.getIntegerReply();
     }
 
-    public Long lpushx(final String key, final String string) {
+    public Long lpushx(final String key, final String... string) {
 	client.lpushx(key, string);
 	return client.getIntegerReply();
     }
@@ -2555,7 +2555,7 @@ public class Jedis extends BinaryJedis implements JedisCommands, MultiKeyCommand
 	return client.getIntegerReply();
     }
 
-    public Long rpushx(final String key, final String string) {
+    public Long rpushx(final String key, final String... string) {
 	client.rpushx(key, string);
 	return client.getIntegerReply();
     }
diff --git a/src/main/java/redis/clients/jedis/JedisCommands.java b/src/main/java/redis/clients/jedis/JedisCommands.java
index 2dab095..ea5016b 100644
--- a/src/main/java/redis/clients/jedis/JedisCommands.java
+++ b/src/main/java/redis/clients/jedis/JedisCommands.java
@@ -193,9 +193,9 @@ public interface JedisCommands {
     Long linsert(String key, Client.LIST_POSITION where, String pivot,
             String value);
     
-    Long lpushx(String key, String string);
+    Long lpushx(String key, String... string);
     
-    Long rpushx(String key, String string); 
+    Long rpushx(String key, String... string);
 
     List<String> blpop(String arg);
 
diff --git a/src/main/java/redis/clients/jedis/PipelineBase.java b/src/main/java/redis/clients/jedis/PipelineBase.java
index 2af0899..2ceeeec 100644
--- a/src/main/java/redis/clients/jedis/PipelineBase.java
+++ b/src/main/java/redis/clients/jedis/PipelineBase.java
@@ -305,16 +305,6 @@ abstract class PipelineBase extends Queable implements
         return getResponse(BuilderFactory.LONG);
     }
 
-    public Response<Set<String>> keys(String pattern) {
-        getClient(pattern).keys(pattern);
-        return getResponse(BuilderFactory.STRING_SET);
-    }
-
-    public Response<Set<byte[]>> keys(byte[] pattern) {
-        getClient(pattern).keys(pattern);
-        return getResponse(BuilderFactory.BYTE_ARRAY_ZSET);
-    }
-
     public Response<String> lindex(String key, int index) {
         getClient(key).lindex(key, index);
         return getResponse(BuilderFactory.STRING);
@@ -357,22 +347,22 @@ abstract class PipelineBase extends Queable implements
         return getResponse(BuilderFactory.BYTE_ARRAY);
     }
 
-    public Response<Long> lpush(String key, String string) {
+    public Response<Long> lpush(String key, String... string) {
         getClient(key).lpush(key, string);
         return getResponse(BuilderFactory.LONG);
     }
 
-    public Response<Long> lpush(byte[] key, byte[] string) {
+    public Response<Long> lpush(byte[] key, byte[]... string) {
         getClient(key).lpush(key, string);
         return getResponse(BuilderFactory.LONG);
     }
 
-    public Response<Long> lpushx(String key, String string) {
+    public Response<Long> lpushx(String key, String... string) {
         getClient(key).lpushx(key, string);
         return getResponse(BuilderFactory.LONG);
     }
 
-    public Response<Long> lpushx(byte[] key, byte[] bytes) {
+    public Response<Long> lpushx(byte[] key, byte[]... bytes) {
         getClient(key).lpushx(key, bytes);
         return getResponse(BuilderFactory.LONG);
     }
@@ -447,32 +437,32 @@ abstract class PipelineBase extends Queable implements
         return getResponse(BuilderFactory.BYTE_ARRAY);
     }
 
-    public Response<Long> rpush(String key, String string) {
+    public Response<Long> rpush(String key, String... string) {
         getClient(key).rpush(key, string);
         return getResponse(BuilderFactory.LONG);
     }
 
-    public Response<Long> rpush(byte[] key, byte[] string) {
+    public Response<Long> rpush(byte[] key, byte[]... string) {
         getClient(key).rpush(key, string);
         return getResponse(BuilderFactory.LONG);
     }
 
-    public Response<Long> rpushx(String key, String string) {
+    public Response<Long> rpushx(String key, String... string) {
         getClient(key).rpushx(key, string);
         return getResponse(BuilderFactory.LONG);
     }
 
-    public Response<Long> rpushx(byte[] key, byte[] string) {
+    public Response<Long> rpushx(byte[] key, byte[]... string) {
         getClient(key).rpushx(key, string);
         return getResponse(BuilderFactory.LONG);
     }
 
-    public Response<Long> sadd(String key, String member) {
+    public Response<Long> sadd(String key, String... member) {
         getClient(key).sadd(key, member);
         return getResponse(BuilderFactory.LONG);
     }
 
-    public Response<Long> sadd(byte[] key, byte[] member) {
+    public Response<Long> sadd(byte[] key, byte[]... member) {
         getClient(key).sadd(key, member);
         return getResponse(BuilderFactory.LONG);
     }
diff --git a/src/main/java/redis/clients/jedis/RedisPipeline.java b/src/main/java/redis/clients/jedis/RedisPipeline.java
index b1c8461..43b7516 100644
--- a/src/main/java/redis/clients/jedis/RedisPipeline.java
+++ b/src/main/java/redis/clients/jedis/RedisPipeline.java
@@ -76,9 +76,9 @@ public interface RedisPipeline {
 
     Response<String> lpop(String key);
 
-    Response<Long> lpush(String key, String string);
+    Response<Long> lpush(String key, String... string);
 
-    Response<Long> lpushx(String key, String string);
+    Response<Long> lpushx(String key, String... string);
 
     Response<List<String>> lrange(String key, long start, long end);
 
@@ -94,11 +94,11 @@ public interface RedisPipeline {
 
     Response<String> rpop(String key);
 
-    Response<Long> rpush(String key, String string);
+    Response<Long> rpush(String key, String... string);
 
-    Response<Long> rpushx(String key, String string);
+    Response<Long> rpushx(String key, String... string);
 
-    Response<Long> sadd(String key, String member);
+    Response<Long> sadd(String key, String... member);
 
     Response<Long> scard(String key);
 
diff --git a/src/main/java/redis/clients/jedis/ShardedJedis.java b/src/main/java/redis/clients/jedis/ShardedJedis.java
index 948718c..485f83a 100644
--- a/src/main/java/redis/clients/jedis/ShardedJedis.java
+++ b/src/main/java/redis/clients/jedis/ShardedJedis.java
@@ -221,7 +221,7 @@ public class ShardedJedis extends BinaryShardedJedis implements JedisCommands {
 	return j.lpush(key, strings);
     }
 
-    public Long lpushx(String key, String string) {
+    public Long lpushx(String key, String... string) {
 	Jedis j = getShard(key);
 	return j.lpushx(key, string);
     }
@@ -236,7 +236,7 @@ public class ShardedJedis extends BinaryShardedJedis implements JedisCommands {
         return j.move(key, dbIndex);
     }
 
-    public Long rpushx(String key, String string) {
+    public Long rpushx(String key, String... string) {
 	Jedis j = getShard(key);
 	return j.rpushx(key, string);
     }